Global Patent Index - EP 2261268 A1

EP 2261268 A1 20101215 - ETHYLENE POLYMERIZATION USING ZIEGLER-NATTA CATALYST COMPOSITIONS

Title (en)

ETHYLENE POLYMERIZATION USING ZIEGLER-NATTA CATALYST COMPOSITIONS

Title (de)

ÄTHYLENPOLYMERISATION MITTELS ZIEGLER-NATTA-KATALYSATORZUSAMMENSETZUNGEN

Title (fr)

POLYMERIZATION DE L'ETHYLENE UTILISANT DES COMPOSITIONS CATALYTIQUES DE TYPE ZIEGLER-NATTA

Publication

EP 2261268 A1 20101215 (EN)

Application

EP 10182079 A 20040818

Priority

  • US 50533003 P 20030923
  • EP 04781351 A 20040818
  • US 2004026641 W 20040818

Abstract (en)

Olefin monomers comprising contacting ethylene or a mixture of ethylene and one or more C 4-8 ±-olefins are polymerized with a catalyst composition comprising one or more Group 3-10 transition metal containing, Ziegler-Natta, procatalyst compounds; one or more alkylaluminum cocatalyts; and at least one polymerization control agent that is an alkyl or aryl ester of an aliphatic or aromatic (poly)carboxylic acid optionally containing one or more substituents comprising a Group 13, 14, 15, or 16 heteroatom.

IPC 8 full level

C08F 2/34 (2006.01); C08F 4/649 (2006.01); C08F 110/02 (2006.01)

CPC (source: EP US)

C08F 110/02 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

  • [X] WO 02096558 A1 20021205 - UNION CARBIDE CHEM PLASTIC [US]
  • [X] WO 9721746 A1 19970619 - UNION CARBIDE CHEM PLASTIC [US], et al
  • [X] EP 0475134 A2 19920318 - TOSOH CORP [JP]
  • [X] EP 0341723 A2 19891115 - UNION CARBIDE CORP [US]
  • [X] US 4520163 A 19850528 - GOODALL BRIAN L [US]
  • [X] WO 0075203 A1 20001214 - EASTMAN CHEM CO [US]
  • [AD] US 6306658 B1 20011023 - TURNER HOWARD W [US], et al
  • [E] WO 2004089998 A1 20041021 - RELIANCE IND LTD [IN], et al
  • [X] DATABASE CAPLUS [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; "Fourth generation polymerization catalysts and impact-grade polypropylene manufacture using them Fourth generation polymerization catalysts and impact-grade polypropylene manufacture using them", XP002310160, retrieved from STN Database accession no. 1995:576434 & JP H06298832 A 19941025 - EASTMAN CHEM CO
  • [A] SAMSON, JOB JAN C. ET AL SAMSON, JOB JAN C. ET AL: "Liquid phase and gas phase polymerization of propylene Liquid phase and gas phase polymerization of propylene", POLYOLEFINS 2000, INTERNATIONAL CONFERENCE ON POLYOLEFINS, HOUSTON, TX, UNITED STATES, FEB. 27-MAR. 1, 2000 , 333-345 PUBLISHER: SOCIETY OF PLASTICS ENGINEERS, BROOKFIELD, CONN., 2000, XP008040238

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005035597 A1 20050421; AR 045942 A1 20051116; AU 2004280327 A1 20050421; AU 2004280327 B2 20091105; BR 122014013907 B1 20201110; BR PI0413962 A 20061031; BR PI0413962 B1 20210202; CA 2539505 A1 20050421; CA 2539505 C 20120515; CN 1856516 A 20061101; CN 1856516 B 20100707; EP 1668049 A1 20060614; EP 1668049 B1 20150225; EP 2261268 A1 20101215; EP 2261268 B1 20200429; ES 2533544 T3 20150410; ES 2805141 T3 20210210; MY 142636 A 20101215; US 2007004877 A1 20070104; US 7393910 B2 20080701

DOCDB simple family (application)

US 2004026641 W 20040818; AR P040103417 A 20040922; AU 2004280327 A 20040818; BR 122014013907 A 20040818; BR PI0413962 A 20040818; CA 2539505 A 20040818; CN 200480027558 A 20040818; EP 04781351 A 20040818; EP 10182079 A 20040818; ES 04781351 T 20040818; ES 10182079 T 20040818; MY PI20043834 A 20040920; US 56924506 A 20060222